

Greg Hess
Internet Sales Director
Mark Christopher Auto Center
2131 E Convention Center Way
Ontario, CA 91764
Love to give Great Experiences and gain raving fans...
Read moreDealership Experience
15 yrs, 4 mos
Industry Experience
17 yrs, 8 mos
410 Reviews
Write a Review410 Reviews of Greg Hess
September 03, 2025
the service was great mario and greg were very helpful great deal on my new blazer all the staff we very very patient great deal on my new blazer all the staff we very very patient More
Other Employees Tagged: Mario Sanchez, Lloyd Beardsley
August 31, 2025
I was very pleased with the service I got from both Sergio and Gregg. I felt They were there for me, without making me feel pressured at all.. I purchased a Cadillac, Lyric, and LOVE IT. Sergio and Gregg. I felt They were there for me, without making me feel pressured at all.. I purchased a Cadillac, Lyric, and LOVE IT. More
Other Employees Tagged: Sergio Rodriguez , Finance by Larry
August 20, 2025
The Best car buying experience! Efficient, knowledgeable and amazing customer care. This was our teenage son’s first truck for his birthday. Armando and the team made it an unforget Efficient, knowledgeable and amazing customer care. This was our teenage son’s first truck for his birthday. Armando and the team made it an unforgettable milestone. Stoked! More
Other Employees Tagged: Sam Fakhouri, Armando Nuno, Nate Heath, Sam Abdelmesseh, Lloyd Beardsley
July 31, 2025
Everything was outstanding. They were extremely helpful and the process was quick. Everyone was very helpful. They were extremely helpful and the process was quick. Everyone was very helpful. More
Other Employees Tagged: Nick Polytarhos
July 25, 2025
Everything went fairly smooth. I had pre approval check so no need to negotiate much. Team was great. Agent Hess & Rodriguez did a good job and very attentive. Really wish I could I had pre approval check so no need to negotiate much. Team was great. Agent Hess & Rodriguez did a good job and very attentive. Really wish I could have got 2nd key programmed though. More
Other Employees Tagged: Albert Rodriguez
July 16, 2025
The employees at this location always do the most for me whenever I do business with them. They go out of their way to make my life easy and explain the process thoroughly so I understand every aspect of le whenever I do business with them. They go out of their way to make my life easy and explain the process thoroughly so I understand every aspect of leasing a car. More
Other Employees Tagged: Jason Ho, JC Cavazos, Nate Heath, Lloyd Beardsley
July 14, 2025
Greg and Mario were instrumental in making sure I got into the right vehicle. While, it was a stressful process because I did not want to get rid of my Silverado, and had a tight budget given I just boug into the right vehicle. While, it was a stressful process because I did not want to get rid of my Silverado, and had a tight budget given I just bought a house, they made sure they were doing what they could to find something that fit my needs. Ultimately, I ended up in a 2025 Chevy Colorado that fits in my garage which was utmost importance. I was sad to see my Silverado go, but life has a funny way of changing and the team at Mark Chris made sure to take care of me. More
Other Employees Tagged: Mario Sanchez
July 13, 2025
The best and would recommend everyone. Customer service is top notch! From sales to management. Customer service is top notch! From sales to management. More
Other Employees Tagged: Joe Gonzalez, JC Cavazos , Eric
June 30, 2025
Alex, Ray and Larry were professional, knowledgeable and efficient. They, and the rest of the team at Mark Christopher Auto Center, made the car buying process quite easy. efficient. They, and the rest of the team at Mark Christopher Auto Center, made the car buying process quite easy. More
Other Employees Tagged: Alex Sarabia , Larry Lee, Ray (last name unknown)
June 21, 2025
Mario really went above and beyond. I went with my wife and two kids. He was really patient and showed me all the features of my truck. Went on to assist me with OnStar and set me up wi I went with my wife and two kids. He was really patient and showed me all the features of my truck. Went on to assist me with OnStar and set me up with GM Rewards! Thank you Mario! More
Other Employees Tagged: Mario Sanchez